#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
	int year = 0;
	for (year = 1000; year <= 2000; year++)
	{
		if (year % 4 == 0 && year % 10 != 0)
			printf("%d ", year);
		if (year % 400 == 0)
			printf("%d ", year);
	}
	return 0;
}